Addonius: The Revolution of the Electroatomic Model

Addonius: The Revolution of the Electroatomic Model is a horizontal scrolling shoot 'em up.

Players have a rapid shot as well as a cooldown-limited Gradius-style ground bomb. The player has a health bar and can take several hits before dying, with a limited amount of continues for resuming play.

The player's ship can be powered up with special weapons, shields or options by picking up icons. These are lost when exiting the level. The game has 5 stages with different environments and hazards, most ending with a boss fight.

The game can be played by 2 players co-operatively. There's also a "Turbo" mode for higher challenge.